packaging: spec: reintorduced non-maven build
packaging: spec: reintorduced non-maven build

re-introduced non-maven build support for building
on systems without maven.

Change-Id: I056a9631a157dc71451257d153b4fa1a7eb24f53
Signed-off-by: Sandro Bonazzola <fcb014d63786651910af5db2ecc5316c668188ef@redhat.com>

oVirt/ovirt-host-deploy,oVirt/ovirt-host-deploy,oVirt/ovirt-host-deploy